Successful still photography with the fiberoptic esophagoscope.

@article{McCray1967SuccessfulSP,
  title={Successful still photography with the fiberoptic esophagoscope.},
  author={Richard S. McCray and Sidney J. Winawer},
  journal={Gastrointestinal endoscopy},
  year={1967},
  volume={14 1},
  pages={40-1}
}